CaratHunter
Plans
Cushion|Lab Grown|IGI

3.54ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG812638503

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG812638503

Diamond specifications and retailer prices

From £676 GBP
$907 USD
As of November 1, 2026
Save £4,451 GBP (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,127 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.54ct lab-grown cushion diamond

This 3.54ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG812638503 or 812638503. Listed at 8 retailers as of November 1, 2026, with prices from £676 to £5,127, a £4,451 spread on the same certified stone. Do Amore Diamonds lists it at £5,127. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.54
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812638503
Dimensions10.77 × 8.03 × 5.26 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.77 mm8.03 mm3.54 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812638503
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 37°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £5,127 GBP|Low: £525 GBP|High: £5,728 GBP|Avg: £2,411 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 14£676 GBP
Retailer 12£831 GBP
Retailer 10£896 GBP
Retailer 15£934 GBP
Retailer 13£1,129 GBP
Retailer 8£1,141 GBP
Retailer 16£1,736 GBP
Retailer 11£1,744 GBP
Retailer 9£1,931 GBP
Retailer 5£2,202 GBP
Retailer 7£2,444 GBP
Retailer 6£2,513 GBP
Retailer 2£2,620 GBP
Retailer 17£3,584 GBP
Retailer 4£3,733 GBP
Do Amore Diamonds£5,127 GBP
Retailer 3£5,728 GBP

44 data points across 17 retailers

8 retailers£676 GBP to £5,127 GBP

A
Cheapest Retailer
-
£676 GBP
$907 USD
Final sale: no returns
A
Retailer 2
-
£831 GBP
$1,115 USD
View
A
Retailer 3
-
£896 GBP
View
A
Retailer 4
-
£934 GBP
$1,254 USD
View
A
Retailer 5
-
£1,129 GBP
$1,515 USD
View
B+
Retailer 6
-
£1,744 GBP
A$3,601 AUD
View
B
Retailer 7
-
£2,620 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1790214 · Nov 2
£5,127 GBP
$6,880 USD
View
7 more retailers have this diamond
Prices start from £676 GBPSave up to £4,451 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.54ct Cushion
£676 GBP